/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.pig.pigpen.util;

// CODE ADAPTED FROM http://www.javaworld.com/javaworld/jw-12-2000/jw-1229-traps.html

import java.io.*;

import org.apache.pig.pigpen.ConsoleLogger;
import org.apache.pig.pigpen.LoggerUtil;
import org.eclipse.swt.widgets.Text;

public class StreamGobbler implements Runnable {
    InputStream is;
    // PigLauncher consumer;
    ConsoleLogger logger = ConsoleLogger.getDefault();
    Text consumer;
    boolean isError;

    public StreamGobbler(InputStream is, Text consumer, boolean isError) {
        this.is = is;
        this.consumer = consumer;
        this.isError = isError;
    }

    public void run() {
        try {
            InputStreamReader isr = new InputStreamReader(is);
            BufferedReader br = new BufferedReader(isr);
            String line;
            while ((line = br.readLine()) != null) {
                // consumer.outputLine(line);
                System.out.println(line);
                // consumer.output.insert(line);
                if (isError)
                    logger.error(line);
                else
                    logger.info(line);
                // consumer.insert(line);
            }
        } catch (Throwable t) {
            LoggerUtil.logError("Error capturing Pig output", t);
            logger.error("Error capturing Pig output" + t.getMessage());
        }
    }
}
